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TECHNICAL & SERVICE MANUAL

Multiple Split type Air-Conditioners

<Indoor unit>

Models

Ceiling Concealed (Fresh Air Intake type)

Series PEFY

PEFY-P30NMHU-E-F
PEFY-P54NMHU-E-F
PEFY-P72NMHU-E-F
PEFY-P96NMHU-E-F

INDOOR UNIT

CONTENTS

SAFETY PRECAUTIONS ·························1

1. FEATURES ···········································3

2. PART NAMES AND FUNCTIONS ········4

3. SPECIFICATION ···································6

4. OUTLINES AND DIMENSIONS············8

5. WIRING DIAGRAM ·····························10

6. REFRIGERANT SYSTEM DIAGRAM

····

7. TROUBLE SHOOTING ·······················13

8. DISASSEMBLY PROCEDURE ···········16

For use with the R410A & R22

2005

Содержание City Multi PEFY-P30NMHU-E-F

Страница 1: ...Y PEFY P30NMHU E F PEFY P54NMHU E F PEFY P72NMHU E F PEFY P96NMHU E F INDOOR UNIT CONTENTS SAFETY PRECAUTIONS 1 1 FEATURES 3 2 PART NAMES AND FUNCTIONS 4 3 SPECIFICATION 6 4 OUTLINES AND DIMENSIONS 8 5 WIRING DIAGRAM 10 6 REFRIGERANT SYSTEM DIAGRAM 12 7 TROUBLE SHOOTING 13 8 DISASSEMBLY PROCEDURE 16 For use with the R410A R22 2005 ...

Страница 2: ...r consult the dealer or an authorized technician If the air conditioner is installed improperly water leakage elec tric shock or fire may result After completing installation work make sure that refrigerant gas is not leaking If the refrigerant gas leaks and is exposed to a fan heater stove oven or other heat source it may generate noxious gases Do not reconstruct or change the settings of the pro...

Страница 3: ...the refrigerator oil to deteriorate Use a vacuum pump with a reverse flow check valve The vacuum pump oil may flow back into the refrigerant cycle and cause the refrigerator oil to deteriorate Do not use the following tools that are used with conventional refrigerants Gauge manifold charge hose gas leak detector reverse flow check valve refrigerant charge base vacuum gauge refriger ant recovery eq...

Страница 4: ...MHU E F PEFY P72NMHU E F PEFY P96NMHU E F 8 8 8 4 15 8 14 9 21 1 19 9 28 1 26 4 FEATURES 1 Indoor unit Ceiling Concealed Series PEFY Models Cooling capacity Heating capacity kW 30000 28500 54000 51000 72000 68000 96000 90000 BTU h ...

Страница 5: ... Button 5 Louver Button Operation Button 6 Fan Speed Button Check Clear Button 0 Test run Button A 8 9 Filter Button Button B C D ON OFF Button Position of built in room temperature Set Time Button Ne ver expose the remote controller to direct sunlight Doing so can result in the erroneous measure ment of room temperature Never place any obstacle around the lower right hand section of the remote co...

Страница 6: ... BY DEFROST TEMP A B C E P M F K D O L G N I H J Q A Current time Timer B Centralized control C Timer OFF D Timer indicator E Operation mode COOL DRY AUTO FAN HEAT F Locked indicator G H Set temperature I Power ON J Louver K L Ventilation M N O P Filter sign Set effective for 1 hr Sensor position Room temperature Airflow Fan speed ...

Страница 7: ...ew in air outlet grilles in cooling mode l Un conditioned outdoor air such as humid air or cold air blows to the indoor during thermo off operation Please be careful when positioning indoor unit air outlet grilles ie take the necessary precautions for cold air and also insulate rooms for dew condensation prevention as required m Air filter must be installed in the air intake side The filter should...

Страница 8: ...nal block PEFY P30NMHU E F PEFY P54NMHU E F PEFY P72NMHU E F PEFY P96NMHU E F OFF 135 C 5 C 275 F 41 F ON 95 C 20 C 203 F 59 F temperature Outdoor air thermistor Fan motor with Inner thermostat Symbol L1 L2 L3 G 660V 40A TH23 TH24 Inner thermostat Fan motor Liquid pipe thermistor Fan motor capacitor Linear expansion valve 4 pole OUTPUT 130W NS 100VMHF 4 pole OUTPUT 200W NS 224M C F 4 pole OUTPUT 2...

Страница 9: ...hanger is cleaned 3 This chart indicates for PEFY P54NMHU E F models which has 2 fans PEFY P30NMHU E F models have 1 fan 4 Make sure to install the air filter field supply on the air intake side In case field supplied air filter is used attach it where the filter service is easily done Suspension bolt hole G 3 1 8 J 3 1 8 70 2 25 32 C 41 50X5 250 41 92 163 6 13 32 45 1 25 32 17 11 16 130 77 50 1 3...

Страница 10: ... intake side In case field supplied air filter is used attach it where the filter service is easily done 4 On this model you would use pipe packed with the Indoor Unit when connecting the Outdoor Unit for R22 Note 2 2 1 1 2 2 1 1 50 1 31 32 50 1 31 32 60 2 3 8 95 20 164 44 105 20 13 16 35 1 13 32 100 15 50 102 25 30 50X7 350 50X6 300 1 1 4inch 4 14X30 9 16X3 16 Slot Keep duct work length 850mm 33 ...

Страница 11: ... remove the A connector 3 The wirings to TB2 TB5 TB15 shown in chained line are field work 4 Mark indicates terminal bed connector board insertion connector or fastening connector of control board NAME SYMBOL EXPLANATION Power source terminal bed Transmission terminal bed TB5 TB2 Switch 1st digit address set Transformer Address board Indoor controller board Electronic linear expan valve Capacitor ...

Страница 12: ...F Fuse AC250V 6 3A T F1 DP DS SYMBOL MF I B A B T LEV1 LEV2 Fan motor Electronic linear expan valve Indoor controller board Address board Transformer TB2 TB5 Transmission terminal bed Power source terminal bed SYMBOL EXPLANATION NAME F2 51F Inner thermostat 49F Over current relay fan motor Contactor fan motor 52F NOTE 1 The part of the broken line indicates the circuit for optional parts 2 A in th...

Страница 13: ...pansion valve Gas pipe Flared joints Type 30 54 Brazed joints Type 72 96 Gas pipe PEFY P30NMHU E F PEFY P54NMHU E F Capacity Item ø 15 88 5 8 ø 15 88 5 8 R410A R22 Liquid pipe ø 9 52 3 8 ø 9 52 3 8 ø 19 05 3 4 R410A R22 mm in Gas pipe PEFY P72NMHU E F PEFY P96NMHU E F Capacity Item ø 19 05 3 4 ø 25 4 1 R410A R22 Liquid pipe ø 9 52 3 8 ø 12 7 1 2 ø 22 2 7 8 ø 28 58 9 8 R410A R22 mm in ...

Страница 14: ...n 3 5 Orange Red 4 6 Blue Brown CNT 3T 1 3 CN3T Protector Relay connector 4 1 8 9 2 5 3 6 Brown Red Orange Orange White Gray Black Yellow 1 3 Red Red 1 2 3 4 5 6 LEV White Yellow Orange Blue Red Brown CN60 Parts name Check points PEFY P30 54 PEFY P72 96 Measure the resistance between the terminals using a tester at 20 C 68 F Normal 399Ω Abnormal Open or short Refer to the thermistor characteristic...

Страница 15: ...fer to install manual of outdoor unit operate the address setting 3 Setting the address is combination of SW11 1st digit address setting and SW12 2nd digit address setting Address 3 setting is composed SW11 3 and SW12 0 Address 25 setting is composed SW11 5 and SW12 2 Indoor unit do not run without address setting in field CN62 SW1 SW7 ON ON ON W254665G06 JP2 SW14 FP AD R CN82 6 8 1 1 240V 220V 1 ...

Страница 16: ... 6 7 8 910 1 2 3 4 5 6 7 8 910 1 2 3 4 5 6 1 2 3 4 5 6 7 8 910 1 2 3 4 5 6 7 8 910 1 2 3 4 5 6 ON OFF 220V 240V SW5 PEFY P30 NMHU E F SW1 SW2 ON OFF ON OFF ON OFF ON OFF 1 2 3 SW7 ON OFF 1 2 3 SW7 ON OFF 1 2 3 SW7 ON OFF 1 2 3 SW7 ON OFF SW3 Equipment which is attached drain water lift up kit can be tested pump out test when power supplied connect the connector A Drain up machine Test run Connecto...

Страница 17: ... wire Gas piping sensor lead wire Power supply transformer lead wire Address board lead wire Drain pump lead wire Drain sensor lead wire 3 Control board exchange 4 Condenser exchange 5 Power supply transformer exchange 6 Arrest exchange 7 Intake air sensor exchange Optional parts 2 Removing the terminal bed cover 1 Remove the fixing screws two of the terminal bed cover B and remove the cover Fig 2...

Страница 18: ...wer supply lead wire MA remote contoller transmission lead wire Fan motor lead wire LEV lead wire Intake air sensor lead wire Liquid piping sensor lead wire Gas piping sensor lead wire Power supply transformer lead wire Address board lead wire Drain pump lead wire Drain sensor lead wire 3 Control board exchange 4 Power supply transformer exchange 5 Arrest exchange 6 Intake air sensor exchange 7 Op...

Страница 19: ...tor base D and bell mouse C attached the fan case B removed motor A can be pull with motor base and fan along rail 1 Remove the fan motor connector E 2 Loosen the fixing screws F three of the bell mouse C and removed the bell mouse D turning screws in direction arrow counterclockwise Fig 3 3 Remove the fixing screws four of the motor base D Notice It s necessary using the driver over 30cm length t...

Страница 20: ...case which are in front of motor remove the motor 1 Remove the bell mouse of the front fan motor with procedure model 30 2 Loosen the setting screws of the front fan removed the fan 3 Remove the front fan case 4 Operate with procedure model 30 Notice Fixing screws of the fan case are shown Fig 7 Remove the fixing screws H fan case can be removed Fig 5 Fig 6 Fan case Service side Fan case fixing sc...

Страница 21: ...trol box and remove the control box Fig 8 5 Move the control box to place that is not block operation Fig 9 2 Removing the fan motor After the fan A the fan case B and the bell mouse C removed motor can be pull with motor base and inner fan along rail 1 Remove the fixing screws three of the bell mouse C and remove the bell mouse C Fig 3 2 Loosen the setting screws G of the front fan removed the fa...

Страница 22: ... Remove the fixing screws four of the motor base D Notice It s necessary using the driver over 30cm length to remove the fixing screws a Fixing screws are placed back Fig 13 6 Slide the motor M with motor base D in direction of arrow 2 Fig 14 Notice It s not necessary removing the fan case L Fig 11 Fig 12 Fig 14 Be careful on removing heavy parts Fig 13 Fig 15 B Fixing screws H J Fixing screws K L...

Страница 23: ...iquid piping fine piping gas piping thick piping Models 72 96 1 Removing the LEV These models have 2 LEV 1 Remove the fixing screws three of the heat exchanger cover A and remove the cover A 2 Remove the fixing screws four of the maintenance cover B and remove the cover B Fig 3 3 Remove the LEV driving motor with a double spanner Fig 4 2 Removing the thermistors 1 Remove the thermistors from the t...

Страница 24: ...ving the heat exchanger 1 Remove the heat exchanger cover with procedure 8 3 1 2 Remove the bottom plate which is air outlet side fixing screws ten Fig 1 3 Remove the drainpan Fig 2 Fig 1 Fig 2 Fig 3 Be careful on removing heavy parts Bottom plate Drainpan Fixing screws ...

Страница 25: ...the maintenance cover fixing screws two Fig 4 5 Remove the heat exchanger fixing screws four Fig 3 5 Removerd heat exchanger is as shown Fig 6 Fig 4 Fig 5 Fig 6 Be careful on removing heavy parts Fixing screws Maintenance cover Fixing screws ...

Страница 26: ...e that water is not leaking from drain hose 2 Remove the power supply wire and the transmission line Make sure that power source is turning off 3 Pull down the main unit 4 Turn over the main unit upside the bottom plate 5 Remove the bottom plate which is air outlet side fixing screws fifteen Fig 7 6 Remove the drainpan Fig 8 Fig 7 Fig 8 Fig 9 Be careful on removing heavy parts ...

Страница 27: ... screws four of the maintenance cover and remove the cover Fig 10 7 Remove the heat exchanger Fixing screws non piping side two Fig 9 Fixing screws piping side two Fig 11 Removerd heat exchanger is as shown Fig 12 Fig 10 Fig 11 Fig 12 Be careful on removing heavy parts Fixing screws Fixing screws A Maintenance cover Fixing screws ...

Страница 28: ...2 CN81 CN42 CN23 CN26 CN24 X04 X05 X06 DSA board Magnet contactor Trans Trans DSA board Condenser for motor Power sourse terminal block Power sourse terminal block Address board Address board LEV adapter board Transmission terminal block Transmission terminal block Indoor unit contoller board Indoor unit contoller board CN62 CN82 SW12 SW11 SW1 SW14 SWA SWC STR2012 SW5 SW5 STR2012 SW11 SW12 SW14 SW...

Страница 29: ...28 8 6 SENSOR POSITION PEFY P30NMHU E F PEFY P96NMHU E F Liquid sensor Liquid sensor Gas sensor Gas sensor PEFY P54NMHU E F Gas sensor PEFY P72NMHU E F Liquid sensor Gas sensor Liquid sensor ...

Страница 30: ...Issued in Aug 2005 HWE05130 New publication effective Aug 2005 Specifications subject to change without notice ...

Страница 31: ...3400 Lawrenceville Suwanee Road Suwanee Georgia 30024 Toll Free 800 433 4822 Toll Free Fax 800 889 9904 www mrslim com Specifications are subject to change without notice ...

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